Gilead Sciences, Inc. Bets on Hepatitis C Data to Justify Pharmasset, Inc.'s $10.8 Billion Deal

Gilead Sciences Inc. (GILD), after paying $10.8 billion for the developer of an experimental hepatitis C drug, will soon give investors a better sense of whether its largest-deal ever is going to pay off. Beginning next week, Gilead will release data from dozens of patients who have tried the medicine, providing the most complete evidence yet about its prospects for treating 170 million people who are infected with the virus globally. Trial results reported in 10 people in February spurred wild swings in the company’s stock price.

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